From b5165a7e498b87cb53e6a1b8afd6af1f0468390d Mon Sep 17 00:00:00 2001
From: Ekaterina Tuzova <Ekaterina.Tuzova@jetbrains.com>
Date: Wed, 2 Oct 2013 20:38:30 +0400
Subject: [PATCH] fixed PY-10995 Wrapping on right margin deletes code with
 slashes at the end of miltiline statements.

If we didn't process auto-formatted events from document - document could be broken by replacement.
Do not insert replacement string to the broken textrange
---
 python/testData/wrap/wrapRightMargin.after.py |  4 ++++
 python/testData/wrap/wrapRightMargin.py       |  3 +++
 .../com/jetbrains/python/PyWrapTest.java      | 22 +++++++++++++++++++
 3 files changed, 29 insertions(+)
 create mode 100644 python/testData/wrap/wrapRightMargin.after.py
 create mode 100644 python/testData/wrap/wrapRightMargin.py

diff --git a/python/testData/wrap/wrapRightMargin.after.py b/python/testData/wrap/wrapRightMargin.after.py
new file mode 100644
index 000000000000..b7ed9d5c2e6c
--- /dev/null
+++ b/python/testData/wrap/wrapRightMargin.after.py
@@ -0,0 +1,4 @@
+def do_stuff():
+    another_long_variable = a_really_long_function_name_with_parameters(12,
+                                                        this_is_the_first_param=23, 
+                                                 this_is_the_second=45).do_more_stuff_to_the_result()
diff --git a/python/testData/wrap/wrapRightMargin.py b/python/testData/wrap/wrapRightMargin.py
new file mode 100644
index 000000000000..5d84299ddf2b
--- /dev/null
+++ b/python/testData/wrap/wrapRightMargin.py
@@ -0,0 +1,3 @@
+def do_stuff():
+    another_long_variable = a_really_long_function_name_with_parameters(12,
+           <caret>this_is_the_first_param=23, this_is_the_second=45).do_more_stuff_to_the_result()
diff --git a/python/testSrc/com/jetbrains/python/PyWrapTest.java b/python/testSrc/com/jetbrains/python/PyWrapTest.java
index 861d1b56d229..a8150de2b676 100644
--- a/python/testSrc/com/jetbrains/python/PyWrapTest.java
+++ b/python/testSrc/com/jetbrains/python/PyWrapTest.java
@@ -49,6 +49,28 @@ public class PyWrapTest extends PyTestCase {
     doTest(" AND field");
   }
 
+
+  public void testWrapRightMargin() {
+    final CodeStyleSettings settings = CodeStyleSettingsManager.getInstance(myFixture.getProject()).getCurrentSettings();
+    int oldValue = settings.RIGHT_MARGIN;
+    boolean oldMarginValue = settings.WRAP_WHEN_TYPING_REACHES_RIGHT_MARGIN;
+    settings.RIGHT_MARGIN = 100;
+    settings.WRAP_WHEN_TYPING_REACHES_RIGHT_MARGIN = true;
+    try {
+      final String testName = "wrap/" + getTestName(true);
+      myFixture.configureByFile(testName + ".py");
+      for (int i = 0; i != 45; ++i) {
+        myFixture.type(' ');
+      }
+      myFixture.checkResultByFile(testName + ".after.py");
+    }
+    finally {
+      settings.RIGHT_MARGIN = oldValue;
+      settings.WRAP_WHEN_TYPING_REACHES_RIGHT_MARGIN = oldMarginValue;
+    }
+
+  }
+
   private void doTest(final String textToType) {
     myFixture.configureByFile("wrap/" + getTestName(false) + ".py");
     myFixture.type(textToType);